r.statistics
r.statistics - Calculates category or object oriented statistics.
Raster (r.*)
ParameterRaster|base|Name of base raster map|False
ParameterRaster|cover|Name of cover raster map|False
ParameterSelection|method|method|diversity;distribution;average;mode;median;avedev;stddev;variance;skewness;kurtosis;min;max;sum
ParameterBoolean|-c|Cover values extracted from the category labels of the cover map|False
OutputRaster|output|Resultant raster map (not used with 'distribution')